All that remains of the original building is the foundation and the structural steel.

A514 is primarily used as a structural steel for building construction.

Their mission is to make structural steel the material of choice for new structures.

Total project size is estimated at 9,000 tons of structural steel.

The cables will be secured to the structural steel at the top of the building.

And more than 85 percent of the structural steel contains recycled material.

It can also be used on structural steel if certain precautions are observed.

How had they built this place without structural steel?

But it makes the concrete too weak to be a replacement for structural steel.

The low ceiling was raised by a couple of inches after being stripped to its structural steel.